Build Excellent&reg; Adjustable Mini LED USB Light Lamp,Potable Flexible LED Reading Lamp with USB for Laptop,PC,Powerbank,Computer,Keyboard,External Battery or USB power base devices (Blue) Slim desgin for Desk,bed,outdoor,wherever you are,it offers convinience; Soft light lampshade;it avoids direct led light to protect your eyes; Soft and bendable silicone body,it easy to use anywhere; USB Connection to any iBook,PowerBook,Cube, PC,NoteBook,PowerBank,Wall Charger; It can be used for any 5V USB port. Laptop,powerbank or usb charger etc;Average Life:10,000 hours;